/**
 * \file Memory.h
 * \brief Memory management facilities
 * \author Corey Tabaka
 */

/*
   Copyright 2006 Corey Tabaka

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/

#include <ktypes.h>
#include <platform/PageMap.h>

#ifndef __KERNEL_MEMORY_H__
#define __KERNEL_MEMORY_H__

#define MEM_IDENTITY_MAP_SIZE (1024*1024*1024)

class Memory {
	protected:
	
	Memory(void);
	~Memory(void);
	
	static PageMap &getPhysicalPageMap(void);
	
	static bool syscallHandler(regs_t *);
	
	public:
	
	static void initialize(void);
	
	static void *alloc(uint32 len);
	static void free(void *base, uint32 len);
	
	friend class Process;
	friend class Page;
};

#endif
